Hitachi CP-SX635W Service Manual page 62

Command Control via the Network Command Control via the Network
Communication Port
The following two ports are assigned for the command control.
TCP #23
TCP #9715
Command Control Settings
Con gure the following items form a web browser when command control is used.
Port Settings
Port open
Network Control
Port1 (Port: 23)
Authentication
Port open
Network Control
Port2 (Port: 9715)
Authentication
When the authentication setting is enabled, the following settings are required.
Security Settings
Authentication
Password
Network Control
Re-enter
Authentication
Password
Command Control via the Network
Click the [Enable] check box to open [Network
Control Port1 (Port: 23)] to use TCP #23.
Default setting is "Enable".
Click the [Enable] check box for the
[Authentication] setting when authentication
is required.
Default setting is "Disable".
Click the [Enable] check box to open [Network
Control Port2 (Port: 9715)] to use TCP
#9715.
Default setting is "Enable".
Click the [Enable] check box for the
[Authentication] setting when authentication
is required.
Default setting is "Enable".
Enter the desired authentication password.
This setting will be the same for [Network
Control Port1 (Port: 23)] and [Network
Control Port2 (Port: 9715)].
Default setting is blank.
Command Control via the Network (continued)
Command Format
[TCP #23]
1. Protocol
Consist of header (7 bytes) + command data (6 bytes)
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low: Lower byte of CRC ag for command data
CRC_high: Upper byte of CRC ag for command data
3. Command data
Command data chart
byte_0 byte_1 byte_2 byte_3
Action Type
low high low high
Action (byte_0 - 1)
Action Classi cation
1 Set Change setting to desired value.
2 Get Read projector internal setup value.
4 Increment Increment setup value by 1.
5 Decrement Decrement setup value by 1.
6 Execute Run a command.
Requesting projector status (Get command)
(1) Send the following request code from the PC to the projector.
Header + Command data ('02H' + '00H' + type (2 bytes) + '00H' + '00H')
(2) The projector returns the response code '1DH' + data (2 bytes) to the PC.
Changing the projector settings (Set command)
(1) Send the following setting code from the PC to the projector.
Header + Command data ('01H' + '00H' + type (2 bytes) + setting code (2 bytes))
(2) The projector changes the setting based on the above setting code.
(3) The projector returns the response code '06H' to the PC.
Using the projector default settings (Reset Command)
(1) The PC sends the following default setting code to the projector.
Header + Command data ('06H' + '00H' + type (2 bytes) + '00H' + '00H')
(2) The projector changes the speci ed setting to the default value.
(3) The projector returns the response code '06H' to the PC.
Increasing the projector setting value (Increment command)
(1) The PC sends the following increment code to the projector.
Header + Command data ('04H' + '00H' + type (2 bytes) + '00H' + '00H')
(2) The projector increases the setting value on the above setting code.
(3) The projector returns the response code '06H' to the PC.
byte_4 byte_5
Setting code
low high
Content